''Pirsonia'' is a non photosynthetic genus of

heterokont Heterokonts are a group of protists (formally referred to as Heterokonta, Heterokontae or Heterokontophyta). The group is a major line of eukaryotes. Most are algae, ranging from the giant multicellular kelp to the unicellular diatoms, which a ...

s. It comprises the entirety of the family Pirsoniaceae, order Pirsoniida and class Pirsonea in the subphylum

Bigyromonada Bigyromonadea is a recently described non-photosynthetic lineage of Heterokont Heterokonts are a group of protists (formally referred to as Heterokonta, Heterokontae or Heterokontophyta). The group is a major line of eukaryotes. Most are al ...

, phylum

Gyrista Gyrista is a phylum of heterokont protists containing three diverse groups: the mostly photosynthetic Ochrophyta, the parasitic Pseudofungi, and the recently described group of nanoflagellates known as Bigyromonada. Members of this phylum are ch ...

Taxonomy

* Class Pirsonea Cavalier-Smith 2017 irsoniomycetes** Order Pirsoniales Cavalier-Smith 1998 irsoniida Cavalier-Smith & Chao 2006*** Family Pirsoniaceae Cavalier-Smith 1998 **** ''Pirsonia'' Schnepf, Debres & Elbrachter 1990 ***** '' P. diadema'' Kühn 1996 ***** '' P. eucampiae'' Kühn 1996 ***** '' P. formosa'' Kühn 1996 ***** '' P. guinardie'' Schnepf, Debres & Elbrachter 1990 ***** '' P. mucosa'' Kühn 1996 ***** '' P. punctigerae'' ***** '' P. verrucosa'' Kühn 1996

References

External links

{{Taxonbar, from=Q23070008 Heterokont genera Heterokonts